National Neighborhood Data Archive (NaNDA): Law Enforcement by Census Tract and ZCTA, United States, 1990-2022
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下载链接：
https://www.icpsr.umich.edu/sites/nanda/view/studies/208684/versions/V2.2
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资源简介：
<p><span>This dataset measures the number and density of law enforcement organizations—including police departments, fire departments, courts, correctional facilities, and legal counsel and prosecution offices—across United States census tracts and ZIP Code Tabulation Areas (ZCTAs) from 1990 through 2022. Data are derived from the National Establishment Time Series (NETS) database and geocoded to 2010 and 2020 TIGER/Line shapefiles from the US Census Bureau.</span></p>
提供机构：
ICPSR - Interuniversity Consortium for Political and Social Research
创建时间：
2026-04-07
